Perform a safe condition check after verifying that nobody is in a position where they could be hurt. Once you have disconnected all primary and secondary sources of energy and attached a lockout device to the equipment, attempt to start it. If the energy is electricity, perform a live-dead-live check with a digital multimeter (DMM). Also, consider other hazards such as moving equipment that must be secured before work begins. Identify the process that will relieve any remaining pressure or other energy. While disconnecting the primary energy sources may remove much of the potential danger, it’s possible that there are sources of residual energy, such as trapped heat in a thermal system, fumes that may need to be vented, or even tension in a spring assembly. Step 5: Relieve All Secondary Energy Sources Identify the primary energy source and method of isolation for lockout a local disconnect is common for electricity, whereas a root valve is typical for steam, water, gas or compressed air.ĭon’t assume that the person performing lockout will understand what your definition of isolation is. Step 4: Disconnect All Primary Energy Sources It’s not enough to say something like “lockout the machine.” To ensure everyone’s safety, spell out the exact actions to be taken and the correct sequence for performing those actions. Give a detailed explanation of the shutdown procedure. If the unavailability of the equipment requires a change in work processes, be sure they are familiar with the steps to be taken. AFEs need to know how long the equipment may be unavailable. When maintenance is going to be performed, all the employees that may be affected should be notified. For example,an electric/hydraulic system has a primary electrical source and secondary hydraulic energy source. It’s important to consider all the energy sources that may be connected to the equipment. Determine the correct procedure for shutting down and restarting the equipment, then detail that procedure. Step 1: Detailed Procedures for Equipmentīegin by making sure that you have identified the equipment correctly and accurately, including its specific location. Be very specific, because ambiguous language could lead to an incorrect or even dangerous action. Effective Lockout Tagout ProgramĬonsider all the energy sources that may be connected to the equipment. AFEs should be able to identify primary and secondary energy sources in equipment and machines. Recognizing all energy sources could mean the difference between life and serious injury or death when servicing or maintaining equipment under lockout or tagout.ĪEs are required to receive training on recognizing primary and secondary hazardous energy sources, and energy isolation and control procedures for their work area.
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